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> Autek research qf-1A ssb/cw/am ham radio audio filter
Autek research qf-1A ssb/cw/am ham radio audio filter
Autek Research QF-1A SSB/CW/AM Ham Radio Audio Filter
Used filter with a bit of wear but overall in good shape and without any issues. Main thing to note is that one knob is missing, the knob post is very slightly bent, should not be too much of a problem to reposition with a pliers and attach a knob.
